Vent in the lid and rounded corners to ensure effective and even warming in the microwave. The transparent lid makes it easy to find what you are looking for, even if the container is stored in the fridge or freezer. Reduce food waste by storing your leftovers in a food container and reheating for another meal. Several empty food containers can be stacked inside one another to save space in your cabinets. Tight-fitting lid prevents spills and protects the contents from frost damage. Several food containers can be stacked on top of one another to save space in fridge and freezer. http://www.ikea.com/cn/en/images/products/ikea-food-container-red__0084631_PE211463_S4.JPGIKEA 365+ Food container, white, redhttp://www.ikea.com/cn/en/catalog/products/90157614/901.576.14IKEA¥ 24.90